Inventor · disambiguated record
Donald L. Perkins
Also filed as: PERKINS DONALD L · PERKINS DONALD LEROY
4 granted patents·125 citations·filing 1976–2015
78Inventor score
Top patents by PatentIndex Score
4 records- 0191US7480753B2Switching upstream and downstream logic between ports in a universal serial bus hubSTANDARD MICROSYST SMC·Filed 2006·Granted Jan 20, 2009·62 cites·35 claims
- 0287US4114930ASwaged tube couplingBOEING CO·Filed 1976·Granted Sep 19, 1978·52 cites·2 claims
- 0386US9842076B2Switchless USB C-connector hubMICROCHIP TECH INC·Filed 2015·Granted Dec 12, 2017·6 cites·17 claims
- 0481US10127181B2Port disconnect charging function for USB hubMICROCHIP TECH INC·Filed 2015·Granted Nov 13, 2018·5 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →